I've noted that now it is difficult to run Java Web start files (JNLP) for Java8, without a proper certificate, due to "security reason". I've found that this a terrible decision by Oracle, breaking ...

Is it legal to install tools.jar from OpenJDK in public maven repository? I found at least three topics on the Internet which conclusion was that such action is forbidden for jar provided by Oracle, ...

first of all, I would like you to excuse my english and description of the problem. I am not english native speaking, so I am trying my best....
Before you say, that is am abusing some server- I need ...

I built a small video frame analysis app with desktop Java 8. On each frame, I extract data (5 doubles now, but could expand to a 1920x1080x3 OpenCV Mat in the future). I would like to store this data ...

This is a hypothetical, yet very technically precise question I'm trying to ask all the compiler/static analysis programmers.
I'm trying to understand the extent of prohibitive features I would need ...

I have an (android) application and decided that the presentation layer will get data only through strict interfaces from the controller. I am at the point where some basic objects need to be passed ...

I have a thread which read and insert new lines in same file. I must synchronized that file so that no other thread is not accessing the file at the same time. Here is how i will synchronize a file ...

Am I correct to assume that most end users are using an older version than Java 8? Since I do not want to force people to upgrade in order to use my application, should I plan it to use Java 7 or even ...

I know this question has probably been posted already but i couldn't find a sufficient answer. I'm interested in learning how to make android apps, i already know how to code in java and i know oop. ...

I have quite a bit of experience with C# and .Net reflection, and have written my own serialization/deserializaiton module based on using .Net reflection to analyze the objects and their members.
Now ...

I am trying to get the seperate RGB components from each element in a 2D color array,but it keeps throwing a NullPointerException and I am not sure why. It might be something small that I missed, so ...

I know that C has a compiler but what determines execution performance?
For example in an if else block, what if the code just had all ifs instead of if elses, what determines that all the ifs will ...

I need a suggestion related to project architecture...My project is spring MVC
How can I create DAO layer using hibernate..there are two ways to do it
1. Create generic DAO and use it
2. Create DAO ...

I have a task to build a website which supports user registration and login, would have a forum and would have multiple blog-like pages/streams for news, upcoming events etc. The page should allow any ...

I have a value checking function, something much like a credit card number checking function, that is passed in a string, and needs to check that the value is of the right format.
If it's the right ...

It occurred to me that many programming languages such as Python and Javascript are maintained by non-profit foundations. I can see why a foundation would update a free programming language- in order ...

I was a .NET developer who had recently started working in Java. I am learning JAX-WS i.e., SOAP based Java web services. I want to know how to serialize a Data class in case of SOAP communication? In ...

I have a game that I have been writing in java as a hobby for a number of years. I have very sparse logging, just some simple output when something goes really wrong. It's about 25,000 lines of code.
...

After reading a lot about the abusive use of exceptions in Java and how you should let an exception bubble up through the different layers of an application, I've come to a point where I don't know ...

Hey guys first time posting on here,
I have to make a program for school that asks the user to input the amount of items they want, and their respective price. After that they have to input the GST, ...

I've had a look around the StackExchange sites and this one seemed to be the most appropriate for my question. Apologies if I made the wrong choice, and I'm happy to hear alternative places to post.
...

I'm porting an existing application RESTful API to a Java web framework -- I don't actually care which -- but it's proving hard to get the basics right.
The core of the problem appears to be getting ...

As I just learnt the basics of Java, now I am Learning Servlets and JSP . First of all, I already installed Apache Tomcat in Eclipse and it is already set up.Secondly I have I am currently reading the ...